nuttx/sched/sched/sched_continue.c
Gregory Nutt f92dba212d sched/sched/sched.h: Make naming of all internal names consistent:
1. Add internal scheduler functions should begin with nxsched_, not sched_
2. Follow the consistent naming patter of https://cwiki.apache.org/confluence/display/NUTTX/Naming+of+OS+Internal+Functions
2020-05-09 16:58:42 -03:00

67 lines
2.3 KiB
C

/****************************************************************************
* sched/sched/sched_continue.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <sched.h>
#include <assert.h>
#include <nuttx/irq.h>
#include <nuttx/sched.h>
#include <nuttx/arch.h>
#include "sched/sched.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxsched_continue
*
* Description:
* Resume the specified thread. This is normally calling indirectly
* via group_continue();
*
****************************************************************************/
void nxsched_continue(FAR struct tcb_s *tcb)
{
irqstate_t flags;
DEBUGASSERT(tcb != NULL && tcb->task_state == TSTATE_TASK_STOPPED);
flags = enter_critical_section();
/* Simply restart the thread. If is was blocked before, it will awaken
* with errcode = EINTR and will appears as if it were awakened by a
* signal. If pre-emption is not disabled this action could block this
* task here!
*/
up_unblock_task(tcb);
leave_critical_section(flags);
}